That's a great lesson - thanks. I've never heard of or considered such a thing, but that's a great way to assure payment without raising prices. EDIT: I think

That's a great lesson - thanks. I've never heard of or considered such a thing, but that's a great way to assure payment without raising prices. EDIT: I think people aren't giving you enough credit here. Every contract is a negotiation - this clause is just another weapon I can include in my starting offer on a new contract. If people say hey, we won't agree to this provision, I can now say "OK, no problem, my rates just went up 10%."